jQuery实现带延时功能的水平多级菜单效果【附demo源码下载】

2019-11-20 08:55:24

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本文实例讲述了jQuery实现带延时功能的水平多级菜单效果。分享给大家供大家参考，具体如下：

运行效果图如下：

具体代码如下：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>jquery实现的一款带延时功能的水平多级菜单</title><style type="text/css" media="screen">/*<![CDATA[*/body {font-family: "Lucida Grande", "Lucida Sans Unicode", "Verdana", sans-serif;font-size: 11px;background: #fff;color: #333;}h1, h2, h3, h4, h5, h6, p, ul, li {font-size: 1em;margin: 0;padding: 0;}div#banner {background: transparent url(images/mega.gif) top left no-repeat;padding-top: 12px;padding-bottom: 36px;}div#banner h1, div#menu h2 {margin: 0;padding: 0;}div#banner h1 a {display: block;width: 270px;height: 120px;}div#banner h1 a span, div#banner .skip {position: absolute;top: -10000px;left: -10000px;}ul#menu {background: #940;color: #fff;margin: 0;padding: 0.3em 0em;}ul#menu li {display: inline;margin: 0.1em 1em;position: relative;}ul#menu h2, ul#menu h3 {font-size: 100%;font-weight: normal;display: inline;}ul#menu li a {color: #fff;text-decoration: none;padding: 0 0.4em;}ul#menu li a:hover {text-decoration: underline;}ul#menu li.mega a {background: transparent url(images/arrow1.gif) center right no-repeat;padding: 0 1.2em;}ul#menu li.mega a:hover {text-decoration: underline;}ul#menu div {display: none;}ul#menu li.mega div {border: 1px solid #dda;width: 18em;position: absolute;top: 1.6em;left: 0em;padding: 1.3em;background: #ffc;color: #930;}ul#menu li.hovering div {display: block;}ul#menu li.mega div a {color: #300;padding: 0;background-image: none;text-decoration: underline;}ul#menu li div a.more {color: #390;font-weight: bold;}ul#menu div h3 {color: #f70;font-weight: bold;font-size: 1.1em;}ul#menu div p {margin: 0 0 0.8em 0;padding: 0;}/*]]>*/</style><script src="jquery-1.7.2.min.js" type="text/javascript" charset="utf-8"></script><script type="text/javascript" charset="utf-8">(function($){$.fn.hoverIntent=function(f,g){var cfg={sensitivity:7,interval:100,timeout:0};cfg=$.extend(cfg,g?{over:f,out:g}:f);var cX,cY,pX,pY;var track=function(ev){cX=ev.pageX;cY=ev.pageY;};var compare=function(ev,ob){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);if((Math.abs(pX-cX)+Math.abs(pY-cY))<cfg.sensitivity){$(ob).unbind("mousemove",track);ob.hoverIntent_s=1;return cfg.over.apply(ob,[ev]);}else{pX=cX;pY=cY;ob.hoverIntent_t=setTimeout(function(){compare(ev,ob);},cfg.interval);}};var delay=function(ev,ob){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);ob.hoverIntent_s=0;return cfg.out.apply(ob,[ev]);};var handleHover=function(e){var p=(e.type=="mouseover"?e.fromElement:e.toElement)||e.relatedTarget;while(p&&p!=this){try{p=p.parentNode;}catch(e){p=this;}}if(p==this){return false;}var ev=jQuery.extend({},e);var ob=this;if(ob.hoverIntent_t){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);}if(e.type=="mouseover"){pX=ev.pageX;pY=ev.pageY;$(ob).bind("mousemove",track);if(ob.hoverIntent_s!=1){ob.hoverIntent_t=setTimeout(function(){compare(ev,ob);},cfg.interval);}}else{$(ob).unbind("mousemove",track);if(ob.hoverIntent_s==1){ob.hoverIntent_t=setTimeout(function(){delay(ev,ob);},cfg.timeout);}}};return this.mouseover(handleHover).mouseout(handleHover);};})(jQuery);</script><script type="text/javascript" charset="utf-8">//<![CDATA[$(document).ready(function() { function addMega(){  $(this).addClass("hovering");  } function removeMega(){  $(this).removeClass("hovering");  } var megaConfig = {   interval: 500,   sensitivity: 4,   over: addMega,   timeout: 500,   out: removeMega }; $("li.mega").hoverIntent(megaConfig)});//]]></script></head><body> <div id="banner">  <h1>   <a href="#"><span>Mega Shop</span></a>  </h1><a class="skip" href="#content">Skip navigation</a>  <ul id="menu">   <li>    <h2>     <a href="#">主页</a>    </h2>    <div>     Latest news, special deals, and more...    </div>   </li>   <li class="mega">    <h2>     <a href="#">关于他</a>    </h2>    <div>     <h3>      Menswear     </h3>     <p>      <a href="#">Shirts</a>, <a href="#">T-shirts</a>, <a href="#">Accessories</a>, <a href="#">More...</a>     </p>     <h3>      Gifts     </h3>     <p>      <a href="#">Sporting goods</a>, <a href="#">Gadgets</a>, <a href="#">More...</a>     </p>     <h3>      Clearance!     </h3>     <p>      40% off all photo accessories this weekend only. <a href="#">Don't miss out!</a>     </p><a href="#" class="more">More stuff for him...</a>    </div>   </li>   <li class="mega">    <h2>     <a href="#">我是谁</a>    </h2>    <div>     <h3>      Ladieswear     </h3>     <p>      <a href="#">Tops</a>, <a href="#">Pants</a>, <a href="#">Skirts</a>, <a href="#">T-shirts</a>, <a href="#">More...</a>     </p>     <h3>      Gifts     </h3>     <p>      <a href="#">Sporting goods</a>, <a href="#">Gadgets</a>, <a href="#">More...</a>     </p>     <h3>      Shop Now for Mother's Day!     </h3>     <p>      Earlybird Mother's Day specials. <a href="#">Shop early, save on shipping!</a>     </p><a href="#" class="more">More stuff for her...</a>    </div>   </li>   <li class="mega">    <a href="#">Stuff for kids</a>    <div>     Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.    </div>   </li>   <li class="mega">    <a href="#">Stuff for pets</a>    <div>     Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.    </div>   </li>  </ul> </div> <p>  <a id="content" name="content"></a> </p></body></html>

完整实例代码点击此处本站下载。

更多关于jQuery相关内容感兴趣的读者可查看本站专题：《jQuery切换特效与技巧总结》、《jQuery扩展技巧总结》、《jQuery常用插件及用法总结》、《jQuery拖拽特效与技巧总结》、《jQuery表格(table)操作技巧汇总》、《jquery中Ajax用法总结》、《jQuery常见经典特效汇总》、《jQuery动画与特效用法总结》及《jquery选择器用法总结》

希望本文所述对大家jQuery程序设计有所帮助。

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